Listar Ciencias Exactas y Naturales por autor "Ramakrishnan, Venkatessh"

Mostrando ítems 1-5 de 5

    • Cold molecular gas outflow encasing the ionized one in the Seyfert galaxy NGC 3281 

      Oliveira, Bruno Dall'Agnol de; Storchi-Bergmann, Thaisa; Morganti, Raffaellla H.; Riffel, Rogemar André; Ramakrishnan, Venkatessh (2023) [Artículo de periódico]
      We present ALMA CO (2-1) observations of the Seyfert 2 galaxy NGC 3281 at ∼100 pc spatial resolution. This galaxy was previously known to present a bi-conical ionized gas outflow extending to 2 kpc from the nucleus. The ...

    • A nuclear ionized gas outflow in the Seyfert 2 galaxy UGC 2024 

      Munõz-Vergara, Dania; Nagar, Neil M.; Ramakrishnan, Venkatessh; Finlez, Carolina; Storchi-Bergmann, Thaisa; Slater, Roy; Firpo, Verónica; Humire, Pedro K.; Soto-Pinto, Pamela; Kraemer, S. B.; Lena, Davide; Robinson, Andrew; Riffel, Rogemar André; Crenshaw, Daniel Michael; Elvis, Martin; Fischer, Travis C.; Müller, Allan Schnorr; Schmitt, Henrique Roberto (2019) [Artículo de periódico]
      As part of a high-resolution observational study of feeding and feedback processes occurring in the vicinity of the active galactic nucleus in 40 galaxies, we observed the inner 3′′.5 × 5 arcsec of the nearby spiral and ...

    • Nuclear kinematics in nearby AGN-I. An ALMA perspective on the morphology and kinematics of the molecular CO(2–1) emission 

      Ramakrishnan, Venkatessh; Nagar, Neil M.; Finlez, Carolina; Storchi-Bergmann, Thaisa; Slater, Roy; Müller, Allan Schnorr; Riffel, Rogemar André; Mundell, Carole G.; Robinson, Andrew (2019) [Artículo de periódico]
      We present the molecular gas morphology and kinematics of seven nearby Seyfert galaxies obtained from our 230 GHz ALMA observations. The COJ = 2−1 kinematics within the inner ∼30 arcsec (≲9 kpc) reveals rotation patterns ...

    • Outflowing gas in a compact ionization cone in the Seyfert 2 galaxy ESO 153-G20 

      Soto-Pinto, Pamela; Nagar, Neil M.; Finlez, Carolina; Ramakrishnan, Venkatessh; Munõz-Vergara, Dania; Slater, Roy; Humire, Pedro K.; Storchi-Bergmann, Thaisa; Lena, Davide; Kraemer, S. B.; Fischer, Travis C.; Schmitt, Henrique Roberto; Riffel, Rogemar André; Müller, Allan Schnorr; Robinson, Andrew; Crenshaw, Daniel Michael; Elvis, Martin (2019) [Artículo de periódico]
      We present two-dimensional ionized gas and stellar kinematics in the inner 1.4 × 1.9 kpc2 of the Seyfert 2 galaxy ESO 153-G20 obtained with the Gemini-South/Gemini multi-object spectrograph integral field unit (GMOS-IFU) ...

    • Outflows in the inner kiloparsec of NGC1566 as revealed by molecular (ALMA) and ionized gas (Gemini-GMOS/IFU) kinematics 

      Slater, Roy; Nagar, Neil M.; Müller, Allan Schnorr; Storchi-Bergmann, Thaisa; Finlez, Carolina; Lena, Davide; Ramakrishnan, Venkatessh; Mundell, Carole G.; Riffel, Rogemar André; Peterson, Bradley M.; Robinson, Andrew; Orellana, Gustavo (2019) [Artículo de periódico]
      Context. Tracing nuclear inflows and outflows in active galactic nuclei (AGNs), determining the mass of gas involved in them, and their impact on the host galaxy and nuclear black hole requires 3D imaging studies of both ...